《人教版新目标初三英语上册Unit-2-Grammar-Focus-1公开课ppt课件》由会员分享，可在线阅读，更多相关《人教版新目标初三英语上册Unit-2-Grammar-Focus-1公开课ppt课件（67页珍藏版）》请在金锄头文库上搜索。
1、Section ASection AGrammar Grammar FocusFocusTranslate the phrases.in the shape of on the Mid-Autumn night traditional folk stories shoot down live forever fly up to the moon call out ones name lay out以以.形状形状在中秋之夜在中秋之夜传统的民间故事传统的民间故事击落击落长生不老；永生长生不老；永生向上飞向月亮向上飞向月亮大声叫喊某人的名字大声叫喊某人的名字摆开；布置摆开；布置1.I think t
2、hat theyre fun to watch.2.Mary thinks that the teams were fantastic.3.Bill wonders whether theyll have zongzi again next year.4.I wonder if its similar to the Water Festival of the Dai people in Yunnan Province.Read the sentences below,paying attention to the underlined parts.I know that the Water F
3、estival is really fun.I wonder if theyll have the races again next year.I wonder whether June is a good time to visit Hong Kong.I believe that April is the hottest month in Thailand.I know that the Water Festival is really fun.I wonder if theyll have the races again next year.I wonder whether June i
4、s a good time to visit Hong Kong.I believe that April is the hottest month in Thailand.Grammar FocusObject clauses with that,if and whether一、宾语从句的概念一、宾语从句的概念 在句子中起宾语作用的从句叫做在句子中起宾语作用的从句叫做宾语从句宾语从句。We know that Mr Green teaches English.She asked if these answers were right.二、宾语从句三要素二、宾语从句三要素引导词（连接词）引导词
5、（连接词）语语 序序时时 态态1.I hear(that)_.2.He said(that)_.3.The teacher told us(that)_ _.he will be back in an hour he missed us very much the earth moves由由that引导的宾语从句引导的宾语从句注：注：that 在句中无词汇意义，在从句中不充在句中无词汇意义，在从句中不充当成分，在口语当中往往省略。当成分，在口语当中往往省略。around the sunObject clauses with that连词连词that不能省略的几种情况不能省略的几种情况 在由在由
6、that引导的宾语从句中，由于连词引导的宾语从句中，由于连词that只起引导功能，无具体意义，不担当任何成份，只起引导功能，无具体意义，不担当任何成份，因此在口语或非正式的文体中常可省略。然而，因此在口语或非正式的文体中常可省略。然而，大凡规则总有例外的情况，在下列大凡规则总有例外的情况，在下列that引导的引导的宾语从句中，宾语从句中，that则不能省略。则不能省略。1.从句的主语是从句的主语是that。如：。如：He says that that is a real kings hat.他说那是一个真的王冠。他说那是一个真的王冠。2.that从句中含有主从复合句。如：从句中含有主从复合句。
7、如：Im afraid that if youve lost it,you must pay for it.3.主、从句之间有插入语时。如：主、从句之间有插入语时。如：It says here,on this card,that it was used in plays.卡片上写着，它是古代演戏用的。卡片上写着，它是古代演戏用的。4.若出现两个或两上以上的由若出现两个或两上以上的由that引导的宾引导的宾语从句，且由并列连词连接时，只有第一个语从句，且由并列连词连接时，只有第一个连词连词that可以省略。如：可以省略。如：She said(that)she would come and tha
8、t she would also bring her son.她说她要来，还要带她的儿子来。她说她要来，还要带她的儿子来。1.These planet will produce food and oxygen that we need to live on Mars.2.Scientists will develop plants that can grow on Mars.3.People think that humans on Mars have to wear special boots to make themselves heavier.4.We all know that Mar
9、s is a planet in the solar system.5.The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light.6.Some scientists do not believe that the journey to Mars will be very comfortable.Which of the following sentences has an object clause?.if和和whether引导宾语
10、从句时，作引导宾语从句时，作“是否是否”讲，讲，一般情况下，二者没有区别，可以换用。但一般情况下，二者没有区别，可以换用。但if常用于口语中，常用于口语中，whether比较正式。如：比较正式。如：Millie asked if/whether he liked this sweater.米莉问他是否喜欢这件毛衣。米莉问他是否喜欢这件毛衣。The fisherman wants to know if/whether it will rain.渔民想知道天是否会下雨。渔民想知道天是否会下雨。Object clauses with if and whether由由if/whether引导的宾语从句
11、引导的宾语从句.if和和whether引导宾语从句时，要注意宾语引导宾语从句时，要注意宾语从句三要素，即连词、语序和时态。由于从句三要素，即连词、语序和时态。由于if和和whether连接的是一般疑问句，因此要注意把连接的是一般疑问句，因此要注意把从句语序改为陈述句语序。如：从句语序改为陈述句语序。如：Does Mr Zhao live in Room 208?Could you tell me?Could you tell me if/whether Mr Zhao lives in Room 208?Have you got any fish?What does the baby cat
12、ask?He asks if his father has got any fish.Am I cool?What does the baby ask?He asks if/whether he is cool.Do you love me?What did the girl ask the young man?She asked the young man if/whether he loved her.Can I fly?What does the baby wonder?He wonders if/whether he can fly.Will you take me to the sk
13、y?What does the girl ask the Spiderman?She asks the Spiderman if/whether he will take her to the sky.if和和whether的区别的区别二者在下列几种情况下不能换用：二者在下列几种情况下不能换用：1.宾语从句置于句首表示强调时，应用宾语从句置于句首表示强调时，应用whether，不用，不用if。如：。如：Whether this is true or not,I cant say.这是否对，我不能说。这是否对，我不能说。2.宾语从句与宾语从句与or not直接连用时，应用直接连用时，应用whet
14、her，不能用，不能用if。如：。如：I dont know whether or not he will come tomorrow.我不知道他明天是否来。我不知道他明天是否来。3.与动词不定式连用时，只能用与动词不定式连用时，只能用whether。如：。如：She cant decide whether to go to America.她不能决定是否去美国。她不能决定是否去美国。4.从句作介词宾语时，只能用从句作介词宾语时，只能用whether。如：。如：I worry about whether I hurt her feeling.我担心是否伤了她的感情。我担心是否伤了她的感情。5.
15、宾语从句的谓语动词是否定形式时，只能用宾语从句的谓语动词是否定形式时，只能用if，不能用，不能用whether。如：。如：Tom wants to know if she wont come here tomorrow.汤姆想知道她明天是否不来这儿。汤姆想知道她明天是否不来这儿。6.if意为意为“假如，如果假如，如果”时，可以引导条件状时，可以引导条件状语从句，而语从句，而whether没有这个用法。如：没有这个用法。如：If Simon comes here tomorrow,Ill call you.假如西蒙明天来这儿，我将打电话告诉你。假如西蒙明天来这儿，我将打电话告诉你。1.若主句是一
16、般现在时，从句用任何所需时若主句是一般现在时，从句用任何所需时态。如：态。如：He wants to know if/whether they had a good journey home.他想知道他们回家旅途是否愉快。他想知道他们回家旅途是否愉快。She says(that)she works from Monday to Friday.她说她从周一至周五上班。（从句是她说她从周一至周五上班。（从句是一般现在时）一般现在时）She says(that)she will leave a message on his desk.她说她要在他桌子上留个便条。她说她要在他桌子上留个便条。（从句是一般将来时）（从句是一般将来时）She says(that)she has never been to Mount Emei.她说她从来没有去过峨嵋山。她说她从来没有去过峨嵋山。（从句是现在完成时）（从句是现在完成时）2.若主句是一般过去时，从句则用跟过去相若主句是一般过去时，从句则用跟过去相关的时态。即一般现在时变为一般过去时、关的时态。即一般现在时变为一般过去时、现在进行时变为过去进行时、一般将
